| Tromso to Odessa (Texas) | 4,835.93 mi (7,782.67 km) |
| Tromso to Ogden (Utah) | 4,383.72 mi (7,054.91 km) |
| Tromso to Oildale (California) | 4,872.51 mi (7,841.54 km) |
| Tromso to Ojus (Florida) | 4,756.01 mi (7,654.06 km) |
| Tromso to Okemos (Michigan) | 3,783.10 mi (6,088.32 km) |
| Tromso to Oklahoma City (Oklahoma) | 4,510.54 mi (7,259.01 km) |
| Tromso to Okmulgee (Oklahoma) | 4,471.84 mi (7,196.73 km) |
| Tromso to Olathe (Kansas) | 4,237.46 mi (6,819.54 km) |
| Tromso to Old Jamestown (Missouri) | 4,149.91 mi (6,678.63 km) |
| Tromso to Oldsmar (Florida) | 4,678.23 mi (7,528.89 km) |
| Tromso to Olean (New York) | 3,693.56 mi (5,944.22 km) |
| Tromso to Olive Branch (Mississippi) | 4,389.57 mi (7,064.33 km) |
| Tromso to Olivehurst (California) | 4,661.59 mi (7,502.10 km) |
| Tromso to Olney (Maryland) | 3,847.11 mi (6,191.33 km) |
| Tromso to Olympia (Washington) | 4,144.35 mi (6,669.69 km) |
