| Amarillo to Cividale del Friuli | 5,528.07 mi (8,896.58 km) |
| Amarillo to Civita Castellana | 5,663.43 mi (9,114.40 km) |
| Amarillo to Civitanova Marche | 5,667.64 mi (9,121.18 km) |
| Amarillo to Civitavecchia | 5,648.76 mi (9,090.80 km) |
| Amarillo to Civitella in Val di Chiana | 5,586.18 mi (8,990.08 km) |
| Amarillo to Clusone | 5,410.21 mi (8,706.89 km) |
| Amarillo to Coccaglio | 5,425.25 mi (8,731.10 km) |
| Amarillo to Codigoro | 5,537.42 mi (8,911.62 km) |
| Amarillo to Codogno | 5,432.59 mi (8,742.91 km) |
| Amarillo to Codroipo | 5,517.96 mi (8,880.29 km) |
| Amarillo to Cogoleto | 5,425.60 mi (8,731.67 km) |
| Amarillo to Colle di Val d'Elsa | 5,564.65 mi (8,955.44 km) |
| Amarillo to Colle Salvetti | 5,530.83 mi (8,901.00 km) |
| Amarillo to Collecchio | 5,469.90 mi (8,802.95 km) |
| Amarillo to Colleferro | 5,712.50 mi (9,193.39 km) |
