| Grefrath to Casandrino | 811.33 mi (1,305.70 km) |
| Grefrath to Casapulla | 803.72 mi (1,293.47 km) |
| Grefrath to Casarano | 965.73 mi (1,554.19 km) |
| Grefrath to Casatenovo | 412.51 mi (663.86 km) |
| Grefrath to Casciana Terme | 575.11 mi (925.55 km) |
| Grefrath to Cascina | 563.84 mi (907.41 km) |
| Grefrath to Caselle Torinese | 429.73 mi (691.58 km) |
| Grefrath to Caserta | 804.84 mi (1,295.26 km) |
| Grefrath to Casier | 478.00 mi (769.26 km) |
| Grefrath to Casorate Primo | 433.62 mi (697.85 km) |
| Grefrath to Casoria | 814.51 mi (1,310.83 km) |
| Grefrath to Cassano al Ionio | 930.87 mi (1,498.09 km) |
| Grefrath to Cassano d'Adda | 426.46 mi (686.32 km) |
| Grefrath to Cassano delle Murge | 876.20 mi (1,410.11 km) |
| Grefrath to Cassina de' Pecchi | 425.26 mi (684.39 km) |
