| Rehlingen-Siersburg to Cologno al Serio | 297.11 mi (478.16 km) |
| Rehlingen-Siersburg to Cologno Monzese | 291.76 mi (469.54 km) |
| Rehlingen-Siersburg to Colorno | 352.34 mi (567.03 km) |
| Rehlingen-Siersburg to Comacchio | 413.59 mi (665.60 km) |
| Rehlingen-Siersburg to Comiso | 945.11 mi (1,521.01 km) |
| Rehlingen-Siersburg to Como | 270.21 mi (434.85 km) |
| Rehlingen-Siersburg to Concordia Sagittaria | 380.18 mi (611.84 km) |
| Rehlingen-Siersburg to Concorezzo | 289.04 mi (465.16 km) |
| Rehlingen-Siersburg to Conegliano | 355.25 mi (571.72 km) |
| Rehlingen-Siersburg to Conselice | 413.92 mi (666.14 km) |
| Rehlingen-Siersburg to Conselve | 374.96 mi (603.43 km) |
| Rehlingen-Siersburg to Conversano | 770.27 mi (1,239.62 km) |
| Rehlingen-Siersburg to Copertino | 838.46 mi (1,349.36 km) |
| Rehlingen-Siersburg to Copparo | 392.27 mi (631.30 km) |
| Rehlingen-Siersburg to Corato | 737.68 mi (1,187.17 km) |
