| Chalons-en-Champagne to Novi di Modena | 416.82 mi (670.81 km) |
| Chalons-en-Champagne to Novi Ligure | 357.30 mi (575.03 km) |
| Chalons-en-Champagne to Nuoro | 644.70 mi (1,037.54 km) |
| Chalons-en-Champagne to Occhiobello | 439.72 mi (707.66 km) |
| Chalons-en-Champagne to Oderzo | 438.79 mi (706.16 km) |
| Chalons-en-Champagne to Oggiono | 320.05 mi (515.07 km) |
| Chalons-en-Champagne to Olbia | 609.34 mi (980.64 km) |
| Chalons-en-Champagne to Oleggio | 306.24 mi (492.85 km) |
| Chalons-en-Champagne to Olgiate Comasco | 307.25 mi (494.46 km) |
| Chalons-en-Champagne to Olgiate Olona | 312.27 mi (502.55 km) |
| Chalons-en-Champagne to Omegna | 284.48 mi (457.83 km) |
| Chalons-en-Champagne to Opera | 335.90 mi (540.57 km) |
| Chalons-en-Champagne to Oppeano | 407.88 mi (656.43 km) |
| Chalons-en-Champagne to Orbassano | 311.13 mi (500.72 km) |
| Chalons-en-Champagne to Orbetello | 558.08 mi (898.15 km) |
