| Gaildorf to Oestrich-Winkel | 105.15 mi (169.23 km) |
| Gaildorf to Offenburg | 91.31 mi (146.95 km) |
| Gaildorf to Oftersheim | 59.20 mi (95.28 km) |
| Gaildorf to Ohrdruf | 133.42 mi (214.72 km) |
| Gaildorf to Ohringen | 18.34 mi (29.52 km) |
| Gaildorf to Olbernhau | 196.25 mi (315.83 km) |
| Gaildorf to Olching | 89.84 mi (144.58 km) |
| Gaildorf to Oldenburg | 294.13 mi (473.35 km) |
| Gaildorf to Oldenburg in Holstein | 369.30 mi (594.33 km) |
| Gaildorf to Olfen | 215.08 mi (346.14 km) |
| Gaildorf to Olpe | 163.65 mi (263.37 km) |
| Gaildorf to Olsberg | 172.01 mi (276.82 km) |
| Gaildorf to Oranienburg | 300.22 mi (483.15 km) |
| Gaildorf to Ortenberg | 98.93 mi (159.21 km) |
| Gaildorf to Oschatz | 217.06 mi (349.32 km) |
