| Longmont to Creutzwald | 4,999.94 mi (8,046.62 km) |
| Longmont to Croissy-sur-Seine | 4,857.89 mi (7,818.01 km) |
| Longmont to Croix | 4,814.06 mi (7,747.48 km) |
| Longmont to Crosne | 4,876.26 mi (7,847.58 km) |
| Longmont to Cuers | 5,255.62 mi (8,458.11 km) |
| Longmont to Cugnaux | 5,063.91 mi (8,149.57 km) |
| Longmont to Cusset | 5,026.58 mi (8,089.51 km) |
| Longmont to Dammarie-le-Lys | 4,891.23 mi (7,871.67 km) |
| Longmont to Dammartin-en-Goele | 4,869.09 mi (7,836.04 km) |
| Longmont to Dardilly | 5,088.45 mi (8,189.07 km) |
| Longmont to Darnetal | 4,798.45 mi (7,722.35 km) |
| Longmont to Dax | 4,963.85 mi (7,988.55 km) |
| Longmont to Decines-Charpieu | 5,097.55 mi (8,203.71 km) |
| Longmont to Denain | 4,837.68 mi (7,785.50 km) |
| Longmont to Deuil-la-Barre | 4,860.07 mi (7,821.53 km) |
