| Groslay to Civita Castellana | 669.85 mi (1,078.02 km) |
| Groslay to Civitanova Marche | 670.88 mi (1,079.68 km) |
| Groslay to Civitavecchia | 659.16 mi (1,060.82 km) |
| Groslay to Civitella in Val di Chiana | 589.98 mi (949.48 km) |
| Groslay to Clusone | 414.83 mi (667.61 km) |
| Groslay to Coccaglio | 428.65 mi (689.85 km) |
| Groslay to Codigoro | 542.61 mi (873.25 km) |
| Groslay to Codogno | 435.42 mi (700.74 km) |
| Groslay to Codroipo | 538.22 mi (866.19 km) |
| Groslay to Cogoleto | 435.71 mi (701.21 km) |
| Groslay to Colle di Val d'Elsa | 570.02 mi (917.36 km) |
| Groslay to Colle Salvetti | 537.49 mi (865.00 km) |
| Groslay to Collecchio | 472.84 mi (760.97 km) |
| Groslay to Colleferro | 719.55 mi (1,158.01 km) |
| Groslay to Collegno | 365.30 mi (587.89 km) |
