| Saint-Gilles to Oestrich-Winkel | 468.12 mi (753.36 km) |
| Saint-Gilles to Offenburg | 370.93 mi (596.95 km) |
| Saint-Gilles to Oftersheim | 439.95 mi (708.03 km) |
| Saint-Gilles to Ohrdruf | 575.20 mi (925.70 km) |
| Saint-Gilles to Ohringen | 451.24 mi (726.19 km) |
| Saint-Gilles to Olbernhau | 637.85 mi (1,026.52 km) |
| Saint-Gilles to Olching | 454.73 mi (731.82 km) |
| Saint-Gilles to Oldenburg | 676.41 mi (1,088.58 km) |
| Saint-Gilles to Oldenburg in Holstein | 789.27 mi (1,270.21 km) |
| Saint-Gilles to Olfen | 572.02 mi (920.58 km) |
| Saint-Gilles to Olpe | 531.34 mi (855.11 km) |
| Saint-Gilles to Olsberg | 562.59 mi (905.40 km) |
| Saint-Gilles to Oranienburg | 745.54 mi (1,199.83 km) |
| Saint-Gilles to Ortenberg | 509.99 mi (820.75 km) |
| Saint-Gilles to Oschatz | 663.46 mi (1,067.74 km) |
