| Omagh to Casamassima | 1,453.87 mi (2,339.77 km) |
| Omagh to Casandrino | 1,364.82 mi (2,196.46 km) |
| Omagh to Casapulla | 1,358.77 mi (2,186.72 km) |
| Omagh to Casarano | 1,545.65 mi (2,487.48 km) |
| Omagh to Casatenovo | 953.85 mi (1,535.07 km) |
| Omagh to Casciana Terme | 1,108.32 mi (1,783.67 km) |
| Omagh to Cascina | 1,097.90 mi (1,766.91 km) |
| Omagh to Caselle Torinese | 926.53 mi (1,491.10 km) |
| Omagh to Caserta | 1,360.42 mi (2,189.38 km) |
| Omagh to Casier | 1,059.39 mi (1,704.93 km) |
| Omagh to Casorate Primo | 963.29 mi (1,550.27 km) |
| Omagh to Casoria | 1,368.25 mi (2,201.98 km) |
| Omagh to Cassano al Ionio | 1,495.05 mi (2,406.05 km) |
| Omagh to Cassano d'Adda | 968.94 mi (1,559.35 km) |
| Omagh to Cassano delle Murge | 1,452.16 mi (2,337.02 km) |
