| Gallup to Collegno | 5,596.06 mi (9,005.98 km) |
| Gallup to Cologno al Serio | 5,647.76 mi (9,089.19 km) |
| Gallup to Cologno Monzese | 5,635.57 mi (9,069.58 km) |
| Gallup to Colorno | 5,702.85 mi (9,177.85 km) |
| Gallup to Comacchio | 5,776.83 mi (9,296.91 km) |
| Gallup to Comiso | 6,251.26 mi (10,060.43 km) |
| Gallup to Como | 5,615.47 mi (9,037.22 km) |
| Gallup to Concordia Sagittaria | 5,746.94 mi (9,248.81 km) |
| Gallup to Concorezzo | 5,634.70 mi (9,068.17 km) |
| Gallup to Conegliano | 5,722.38 mi (9,209.29 km) |
| Gallup to Conselice | 5,773.70 mi (9,291.88 km) |
| Gallup to Conselve | 5,739.77 mi (9,237.26 km) |
| Gallup to Conversano | 6,135.81 mi (9,874.64 km) |
| Gallup to Copertino | 6,204.42 mi (9,985.06 km) |
| Gallup to Copparo | 5,754.93 mi (9,261.67 km) |
