| Merrillville to Cividale del Friuli | 4,674.17 mi (7,522.35 km) |
| Merrillville to Civita Castellana | 4,794.33 mi (7,715.74 km) |
| Merrillville to Civitanova Marche | 4,804.34 mi (7,731.83 km) |
| Merrillville to Civitavecchia | 4,777.96 mi (7,689.38 km) |
| Merrillville to Civitella in Val di Chiana | 4,719.30 mi (7,594.98 km) |
| Merrillville to Clusone | 4,548.37 mi (7,319.90 km) |
| Merrillville to Coccaglio | 4,562.33 mi (7,342.35 km) |
| Merrillville to Codigoro | 4,676.10 mi (7,525.45 km) |
| Merrillville to Codogno | 4,567.75 mi (7,351.08 km) |
| Merrillville to Codroipo | 4,662.55 mi (7,503.64 km) |
| Merrillville to Cogoleto | 4,556.30 mi (7,332.66 km) |
| Merrillville to Colle di Val d'Elsa | 4,696.63 mi (7,558.49 km) |
| Merrillville to Colle Salvetti | 4,662.25 mi (7,503.17 km) |
| Merrillville to Collecchio | 4,604.61 mi (7,410.40 km) |
| Merrillville to Colleferro | 4,842.84 mi (7,793.81 km) |
