The largest cities in the Ontario
| Cities | Populations | Distance from Ottawa |
|---|
| Toronto | 2,600,000 inhabitants | 351 km |
| Ottawa | 812,129 inhabitants | 0 km |
| Mississauga | 668,549 inhabitants | 375 km |
| North York | 636,000 inhabitants | 347 km |
| Scarborough | 600,000 inhabitants | 336 km |
| Hamilton | 519,949 inhabitants | 409 km |
| Brampton | 433,806 inhabitants | 376 km |
| Etobicoke | 347,948 inhabitants | 364 km |
| London | 346,765 inhabitants | 518 km |
| Windsor | 278,013 inhabitants | 682 km |
| Markham | 261,573 inhabitants | 331 km |
| Oshawa | 247,989 inhabitants | 301 km |
| Vaughan | 238,866 inhabitants | 348 km |
| Kitchener | 233,700 inhabitants | 442 km |
| Richmond Hill | 185,541 inhabitants | 342 km |
| Barrie | 182,041 inhabitants | 332 km |
| Nepean | 180,000 inhabitants | 7 km |
| Oakville | 165,697 inhabitants | 385 km |
| Burlington | 164,415 inhabitants | 399 km |
| Greater Sudbury | 157,857 inhabitants | 427 km |
| St. Catharines | 131,989 inhabitants | 377 km |
| Cambridge | 120,372 inhabitants | 432 km |
| Guelph | 115,760 inhabitants | 417 km |
| East York | 115,365 inhabitants | 346 km |
| Kingston | 114,195 inhabitants | 145 km |
| Thunder Bay | 99,334 inhabitants | 1,081 km |
| Waterloo | 97,475 inhabitants | 440 km |
| Ajax | 90,167 inhabitants | 316 km |
| Pickering | 87,838 inhabitants | 320 km |
| Brantford | 87,759 inhabitants | 444 km |
| Milton | 84,362 inhabitants | 394 km |
| Sarnia | 82,998 inhabitants | 600 km |
| Niagara Falls | 82,000 inhabitants | 372 km |
| Willowdale | 79,440 inhabitants | 346 km |
| Peterborough | 75,877 inhabitants | 241 km |
| Sault Ste. Marie | 74,948 inhabitants | 679 km |
| Newmarket | 74,295 inhabitants | 334 km |
| Norfolk County | 60,847 inhabitants | 472 km |
| Welland | 50,331 inhabitants | 392 km |
| North Bay | 50,170 inhabitants | 309 km |
| Belleville | 49,454 inhabitants | 192 km |
| Cornwall | 48,821 inhabitants | 88 km |
| Chatham | 43,550 inhabitants | 618 km |
| Timmins | 42,997 inhabitants | 547 km |
| Quinte West | 42,697 inhabitants | 201 km |
| St. Thomas | 36,110 inhabitants | 527 km |
| Brant | 34,415 inhabitants | 449 km |
| Woodstock | 33,892 inhabitants | 476 km |
| Ancaster | 33,232 inhabitants | 420 km |
| Orangeville | 32,640 inhabitants | 386 km |
| Midland | 31,502 inhabitants | 337 km |
| Stratford | 30,233 inhabitants | 476 km |
| Orillia | 30,178 inhabitants | 306 km |
| Prince Edward | 25,496 inhabitants | 199 km |
| Brockville | 23,886 inhabitants | 91 km |
| Owen Sound | 22,625 inhabitants | 423 km |
| Keswick | 21,000 inhabitants | 324 km |
| Clarence-Rockland | 20,790 inhabitants | 35 km |
| Lindsay | 20,354 inhabitants | 267 km |
| Huntsville | 19,579 inhabitants | 275 km |
