| Omagh to Carmignano | 1,106.17 mi (1,780.21 km) |
| Omagh to Carovigno | 1,492.79 mi (2,402.42 km) |
| Omagh to Carpenedolo | 1,008.15 mi (1,622.46 km) |
| Omagh to Carpi | 1,052.38 mi (1,693.64 km) |
| Omagh to Carrara | 1,062.55 mi (1,710.01 km) |
| Omagh to Carugate | 961.98 mi (1,548.15 km) |
| Omagh to Casal di Principe | 1,356.51 mi (2,183.09 km) |
| Omagh to Casale Monferrato | 954.56 mi (1,536.22 km) |
| Omagh to Casale sul Sile | 1,062.92 mi (1,710.60 km) |
| Omagh to Casalecchio di Reno | 1,080.95 mi (1,739.62 km) |
| Omagh to Casalgrande | 1,057.43 mi (1,701.77 km) |
| Omagh to Casalmaggiore | 1,026.45 mi (1,651.91 km) |
| Omagh to Casalnuovo di Napoli | 1,369.00 mi (2,203.19 km) |
| Omagh to Casalpusterlengo | 991.24 mi (1,595.25 km) |
| Omagh to Casaluce | 1,359.60 mi (2,188.06 km) |
