| Mullingar to Cologno al Serio | 936.41 mi (1,507.00 km) |
| Mullingar to Cologno Monzese | 923.87 mi (1,486.83 km) |
| Mullingar to Colorno | 991.26 mi (1,595.27 km) |
| Mullingar to Comacchio | 1,067.27 mi (1,717.61 km) |
| Mullingar to Comiso | 1,552.76 mi (2,498.92 km) |
| Mullingar to Como | 903.90 mi (1,454.68 km) |
| Mullingar to Concordia Sagittaria | 1,044.79 mi (1,681.43 km) |
| Mullingar to Concorezzo | 923.07 mi (1,485.53 km) |
| Mullingar to Conegliano | 1,018.76 mi (1,639.53 km) |
| Mullingar to Conselice | 1,063.02 mi (1,710.77 km) |
| Mullingar to Conselve | 1,031.36 mi (1,659.81 km) |
| Mullingar to Conversano | 1,426.08 mi (2,295.06 km) |
| Mullingar to Copertino | 1,494.88 mi (2,405.77 km) |
| Mullingar to Copparo | 1,045.27 mi (1,682.19 km) |
| Mullingar to Corato | 1,390.98 mi (2,238.57 km) |
