| Ottawa to University Place (Washington) | 1,701.97 mi (2,739.06 km) |
| Ottawa to Upland (California) | 1,644.16 mi (2,646.03 km) |
| Ottawa to Upper Arlington (Ohio) | 315.12 mi (507.14 km) |
| Ottawa to Upper Grand Lagoon (Florida) | 791.88 mi (1,274.40 km) |
| Ottawa to Upper Montclair (New Jersey) | 761.42 mi (1,225.39 km) |
| Ottawa to Urbana (Illinois) | 92.09 mi (148.21 km) |
| Ottawa to Urbana (Maryland) | 620.28 mi (998.25 km) |
| Ottawa to Urbana (Ohio) | 279.13 mi (449.22 km) |
| Ottawa to Urbandale (Iowa) | 257.14 mi (413.82 km) |
| Ottawa to Utica (New York) | 705.32 mi (1,135.11 km) |
| Ottawa to Uvalde (Texas) | 1,039.80 mi (1,673.40 km) |
| Ottawa to Vacaville (California) | 1,759.14 mi (2,831.06 km) |
| Ottawa to Vadnais Heights (Minnesota) | 333.35 mi (536.48 km) |
| Ottawa to Vail (Arizona) | 1,367.02 mi (2,200.01 km) |
| Ottawa to Valdosta (Georgia) | 788.69 mi (1,269.27 km) |
