| Tromso to Oswego (Illinois) | 3,928.99 mi (6,323.10 km) |
| Tromso to Oswego (New York) | 3,565.75 mi (5,738.51 km) |
| Tromso to Otsego (Minnesota) | 3,805.73 mi (6,124.72 km) |
| Tromso to Ottawa (Illinois) | 3,959.79 mi (6,372.66 km) |
| Tromso to Ottawa (Kansas) | 4,264.37 mi (6,862.84 km) |
| Tromso to Ottumwa (Iowa) | 4,053.27 mi (6,523.11 km) |
| Tromso to Overland (Missouri) | 4,160.75 mi (6,696.09 km) |
| Tromso to Overland Park (Kansas) | 4,234.63 mi (6,814.98 km) |
| Tromso to Overlea (Maryland) | 3,821.03 mi (6,149.36 km) |
| Tromso to Oviedo (Florida) | 4,605.90 mi (7,412.47 km) |
| Tromso to Owasso (Oklahoma) | 4,424.75 mi (7,120.94 km) |
| Tromso to Owatonna (Minnesota) | 3,873.05 mi (6,233.08 km) |
| Tromso to Owensboro (Kentucky) | 4,153.44 mi (6,684.32 km) |
| Tromso to Owings Mills (Maryland) | 3,824.21 mi (6,154.47 km) |
| Tromso to Owosso (Michigan) | 3,759.89 mi (6,050.96 km) |
