| Safety Harbor to Nuth | 4,682.52 mi (7,535.79 km) |
| Safety Harbor to Oegstgeest | 4,598.97 mi (7,401.33 km) |
| Safety Harbor to Oirschot | 4,646.47 mi (7,477.77 km) |
| Safety Harbor to Oisterwijk | 4,640.69 mi (7,468.46 km) |
| Safety Harbor to Oldebroek | 4,651.79 mi (7,486.32 km) |
| Safety Harbor to Oldenzaal | 4,696.13 mi (7,557.68 km) |
| Safety Harbor to Ommen | 4,671.21 mi (7,517.58 km) |
| Safety Harbor to Oosterend | 4,647.33 mi (7,479.15 km) |
| Safety Harbor to Oosterhout | 4,625.40 mi (7,443.86 km) |
| Safety Harbor to Oosterwolde | 4,656.54 mi (7,493.98 km) |
| Safety Harbor to Oostzaan | 4,611.08 mi (7,420.81 km) |
| Safety Harbor to Opmeer | 4,608.63 mi (7,416.87 km) |
| Safety Harbor to Oss | 4,649.99 mi (7,483.44 km) |
| Safety Harbor to Oud-Beijerland | 4,603.26 mi (7,408.23 km) |
| Safety Harbor to Oudenbosch | 4,612.75 mi (7,423.50 km) |
