| Tromsdalen to Nuth | 1,362.72 mi (2,193.09 km) |
| Tromsdalen to Oegstgeest | 1,293.43 mi (2,081.57 km) |
| Tromsdalen to Oirschot | 1,329.73 mi (2,139.99 km) |
| Tromsdalen to Oisterwijk | 1,325.23 mi (2,132.76 km) |
| Tromsdalen to Oldebroek | 1,259.78 mi (2,027.42 km) |
| Tromsdalen to Oldenzaal | 1,258.15 mi (2,024.80 km) |
| Tromsdalen to Ommen | 1,249.92 mi (2,011.56 km) |
| Tromsdalen to Oosterend | 1,221.02 mi (1,965.03 km) |
| Tromsdalen to Oosterhout | 1,325.00 mi (2,132.39 km) |
| Tromsdalen to Oosterwolde | 1,219.52 mi (1,962.63 km) |
| Tromsdalen to Oostzaan | 1,272.04 mi (2,047.15 km) |
| Tromsdalen to Opmeer | 1,253.54 mi (2,017.38 km) |
| Tromsdalen to Oss | 1,309.56 mi (2,107.53 km) |
| Tromsdalen to Oud-Beijerland | 1,318.58 mi (2,122.05 km) |
| Tromsdalen to Oudenbosch | 1,332.33 mi (2,144.17 km) |
