| Palm Harbor to Oerlinghausen | 4,771.60 mi (7,679.14 km) |
| Palm Harbor to Oestrich-Winkel | 4,789.20 mi (7,707.47 km) |
| Palm Harbor to Offenburg | 4,822.06 mi (7,760.36 km) |
| Palm Harbor to Oftersheim | 4,828.49 mi (7,770.71 km) |
| Palm Harbor to Ohrdruf | 4,882.29 mi (7,857.28 km) |
| Palm Harbor to Ohringen | 4,871.27 mi (7,839.55 km) |
| Palm Harbor to Olbernhau | 4,991.88 mi (8,033.66 km) |
| Palm Harbor to Olching | 4,973.67 mi (8,004.35 km) |
| Palm Harbor to Oldenburg | 4,727.34 mi (7,607.93 km) |
| Palm Harbor to Oldenburg in Holstein | 4,804.12 mi (7,731.49 km) |
| Palm Harbor to Olfen | 4,725.30 mi (7,604.63 km) |
| Palm Harbor to Olpe | 4,759.17 mi (7,659.15 km) |
| Palm Harbor to Olsberg | 4,778.22 mi (7,689.81 km) |
| Palm Harbor to Oranienburg | 4,932.74 mi (7,938.47 km) |
| Palm Harbor to Ortenberg | 4,824.84 mi (7,764.83 km) |
