| Rietberg to Cologno al Serio | 433.38 mi (697.46 km) |
| Rietberg to Cologno Monzese | 435.02 mi (700.09 km) |
| Rietberg to Colorno | 482.76 mi (776.93 km) |
| Rietberg to Comacchio | 519.84 mi (836.60 km) |
| Rietberg to Comiso | 1,069.32 mi (1,720.90 km) |
| Rietberg to Como | 414.91 mi (667.73 km) |
| Rietberg to Concordia Sagittaria | 462.61 mi (744.50 km) |
| Rietberg to Concorezzo | 431.05 mi (693.71 km) |
| Rietberg to Conegliano | 444.58 mi (715.49 km) |
| Rietberg to Conselice | 526.91 mi (847.98 km) |
| Rietberg to Conselve | 480.02 mi (772.51 km) |
| Rietberg to Conversano | 853.92 mi (1,374.26 km) |
| Rietberg to Copertino | 918.96 mi (1,478.93 km) |
| Rietberg to Copparo | 501.51 mi (807.10 km) |
| Rietberg to Corato | 826.59 mi (1,330.27 km) |
