| Apopka to Oerlinghausen | 4,690.70 mi (7,548.95 km) |
| Apopka to Oestrich-Winkel | 4,707.34 mi (7,575.73 km) |
| Apopka to Offenburg | 4,739.57 mi (7,627.61 km) |
| Apopka to Oftersheim | 4,746.43 mi (7,638.64 km) |
| Apopka to Ohrdruf | 4,801.08 mi (7,726.58 km) |
| Apopka to Ohringen | 4,789.22 mi (7,707.51 km) |
| Apopka to Olbernhau | 4,910.90 mi (7,903.32 km) |
| Apopka to Olching | 4,891.41 mi (7,871.97 km) |
| Apopka to Oldenburg | 4,646.99 mi (7,478.60 km) |
| Apopka to Oldenburg in Holstein | 4,724.67 mi (7,603.62 km) |
| Apopka to Olfen | 4,644.15 mi (7,474.04 km) |
| Apopka to Olpe | 4,677.75 mi (7,528.10 km) |
| Apopka to Olsberg | 4,697.01 mi (7,559.11 km) |
| Apopka to Oranienburg | 4,852.75 mi (7,809.74 km) |
| Apopka to Ortenberg | 4,743.24 mi (7,633.51 km) |
