| Tromso to Orangevale (California) | 4,683.51 mi (7,537.39 km) |
| Tromso to Orchards (Washington) | 4,230.61 mi (6,808.51 km) |
| Tromso to Orcutt (California) | 4,929.13 mi (7,932.67 km) |
| Tromso to Oregon (Ohio) | 3,828.64 mi (6,161.61 km) |
| Tromso to Oregon (Wisconsin) | 3,871.55 mi (6,230.65 km) |
| Tromso to Oregon City (Oregon) | 4,254.60 mi (6,847.11 km) |
| Tromso to Orem (Utah) | 4,441.02 mi (7,147.14 km) |
| Tromso to Orinda (California) | 4,750.02 mi (7,644.42 km) |
| Tromso to Orland Park (Illinois) | 3,924.07 mi (6,315.19 km) |
| Tromso to Orlando (Florida) | 4,620.87 mi (7,436.57 km) |
| Tromso to Ormond Beach (Florida) | 4,562.90 mi (7,343.28 km) |
| Tromso to Oro Valley (Arizona) | 4,951.07 mi (7,967.97 km) |
| Tromso to Oroville (California) | 4,633.47 mi (7,456.85 km) |
| Tromso to Oshkosh (Wisconsin) | 3,785.45 mi (6,092.10 km) |
| Tromso to Oskaloosa (Iowa) | 4,040.20 mi (6,502.07 km) |
