| Gaillac to Oestrich-Winkel | 509.94 mi (820.66 km) |
| Gaillac to Offenburg | 427.37 mi (687.79 km) |
| Gaillac to Oftersheim | 493.02 mi (793.44 km) |
| Gaillac to Ohrdruf | 631.59 mi (1,016.45 km) |
| Gaillac to Ohringen | 513.84 mi (826.95 km) |
| Gaillac to Olbernhau | 709.78 mi (1,142.28 km) |
| Gaillac to Olching | 539.98 mi (869.01 km) |
| Gaillac to Oldenburg | 700.34 mi (1,127.09 km) |
| Gaillac to Oldenburg in Holstein | 824.03 mi (1,326.15 km) |
| Gaillac to Olfen | 596.60 mi (960.13 km) |
| Gaillac to Olpe | 564.03 mi (907.71 km) |
| Gaillac to Olsberg | 598.57 mi (963.30 km) |
| Gaillac to Oranienburg | 801.53 mi (1,289.94 km) |
| Gaillac to Ortenberg | 558.12 mi (898.21 km) |
| Gaillac to Oschatz | 729.31 mi (1,173.70 km) |
