| Chalons-en-Champagne to Oestrich-Winkel | 178.35 mi (287.02 km) |
| Chalons-en-Champagne to Offenburg | 166.16 mi (267.41 km) |
| Chalons-en-Champagne to Oftersheim | 192.74 mi (310.19 km) |
| Chalons-en-Champagne to Ohrdruf | 311.38 mi (501.11 km) |
| Chalons-en-Champagne to Ohringen | 232.96 mi (374.91 km) |
| Chalons-en-Champagne to Olbernhau | 416.63 mi (670.50 km) |
| Chalons-en-Champagne to Olching | 321.93 mi (518.10 km) |
| Chalons-en-Champagne to Oldenburg | 333.97 mi (537.48 km) |
| Chalons-en-Champagne to Oldenburg in Holstein | 462.64 mi (744.55 km) |
| Chalons-en-Champagne to Olfen | 232.47 mi (374.12 km) |
| Chalons-en-Champagne to Olpe | 209.68 mi (337.44 km) |
| Chalons-en-Champagne to Olsberg | 246.03 mi (395.95 km) |
| Chalons-en-Champagne to Oranienburg | 466.99 mi (751.55 km) |
| Chalons-en-Champagne to Ortenberg | 230.91 mi (371.62 km) |
| Chalons-en-Champagne to Oschatz | 419.36 mi (674.89 km) |
