| Piqua to Creutzwald | 4,236.62 mi (6,818.19 km) |
| Piqua to Croissy-sur-Seine | 4,065.51 mi (6,542.81 km) |
| Piqua to Croix | 4,049.70 mi (6,517.36 km) |
| Piqua to Crosne | 4,083.56 mi (6,571.86 km) |
| Piqua to Cuers | 4,420.78 mi (7,114.55 km) |
| Piqua to Cugnaux | 4,205.74 mi (6,768.48 km) |
| Piqua to Cusset | 4,208.71 mi (6,773.26 km) |
| Piqua to Dammarie-le-Lys | 4,097.08 mi (6,593.61 km) |
| Piqua to Dammartin-en-Goele | 4,081.75 mi (6,568.94 km) |
| Piqua to Dardilly | 4,274.09 mi (6,878.48 km) |
| Piqua to Darnetal | 4,007.96 mi (6,450.18 km) |
| Piqua to Dax | 4,094.96 mi (6,590.19 km) |
| Piqua to Decines-Charpieu | 4,283.95 mi (6,894.35 km) |
| Piqua to Denain | 4,070.15 mi (6,550.27 km) |
| Piqua to Deuil-la-Barre | 4,069.90 mi (6,549.86 km) |
