| Provo to Oskaloosa (Iowa) | 995.13 mi (1,601.51 km) |
| Provo to Oswego (Illinois) | 1,216.41 mi (1,957.62 km) |
| Provo to Oswego (New York) | 1,808.81 mi (2,910.99 km) |
| Provo to Otsego (Minnesota) | 975.44 mi (1,569.82 km) |
| Provo to Ottawa (Illinois) | 1,192.54 mi (1,919.21 km) |
| Provo to Ottawa (Kansas) | 880.45 mi (1,416.94 km) |
| Provo to Ottumwa (Iowa) | 1,007.55 mi (1,621.49 km) |
| Provo to Overland (Missouri) | 1,137.11 mi (1,830.01 km) |
| Provo to Overland Park (Kansas) | 906.74 mi (1,459.25 km) |
| Provo to Overlea (Maryland) | 1,853.31 mi (2,982.62 km) |
| Provo to Oviedo (Florida) | 1,898.56 mi (3,055.43 km) |
| Provo to Owasso (Oklahoma) | 898.97 mi (1,446.75 km) |
| Provo to Owatonna (Minnesota) | 977.37 mi (1,572.92 km) |
| Provo to Owensboro (Kentucky) | 1,323.92 mi (2,130.64 km) |
| Provo to Owings Mills (Maryland) | 1,838.33 mi (2,958.51 km) |
