| Safety Harbor to Oerlinghausen | 4,773.50 mi (7,682.21 km) |
| Safety Harbor to Oestrich-Winkel | 4,790.88 mi (7,710.18 km) |
| Safety Harbor to Offenburg | 4,823.59 mi (7,762.81 km) |
| Safety Harbor to Oftersheim | 4,830.13 mi (7,773.34 km) |
| Safety Harbor to Ohrdruf | 4,884.13 mi (7,860.24 km) |
| Safety Harbor to Ohringen | 4,872.91 mi (7,842.18 km) |
| Safety Harbor to Olbernhau | 4,993.77 mi (8,036.70 km) |
| Safety Harbor to Olching | 4,975.26 mi (8,006.90 km) |
| Safety Harbor to Oldenburg | 4,729.36 mi (7,611.17 km) |
| Safety Harbor to Oldenburg in Holstein | 4,806.31 mi (7,735.01 km) |
| Safety Harbor to Olfen | 4,727.15 mi (7,607.61 km) |
| Safety Harbor to Olpe | 4,760.96 mi (7,662.02 km) |
| Safety Harbor to Olsberg | 4,780.06 mi (7,692.76 km) |
| Safety Harbor to Oranienburg | 4,934.83 mi (7,941.84 km) |
| Safety Harbor to Ortenberg | 4,826.59 mi (7,767.64 km) |
