| Gladbeck to Cologno al Serio | 431.80 mi (694.92 km) |
| Gladbeck to Cologno Monzese | 430.32 mi (692.54 km) |
| Gladbeck to Colorno | 484.39 mi (779.55 km) |
| Gladbeck to Comacchio | 531.61 mi (855.55 km) |
| Gladbeck to Comiso | 1,076.81 mi (1,732.96 km) |
| Gladbeck to Como | 409.26 mi (658.64 km) |
| Gladbeck to Concordia Sagittaria | 482.01 mi (775.72 km) |
| Gladbeck to Concorezzo | 426.87 mi (686.99 km) |
| Gladbeck to Conegliano | 461.28 mi (742.36 km) |
| Gladbeck to Conselice | 536.19 mi (862.91 km) |
| Gladbeck to Conselve | 491.68 mi (791.28 km) |
| Gladbeck to Conversano | 876.49 mi (1,410.58 km) |
| Gladbeck to Copertino | 942.91 mi (1,517.47 km) |
| Gladbeck to Copparo | 511.91 mi (823.84 km) |
| Gladbeck to Corato | 847.17 mi (1,363.39 km) |
