| Effingham to Campo de Criptana | 4,378.53 mi (7,046.56 km) |
| Effingham to Campos del Puerto | 4,656.76 mi (7,494.34 km) |
| Effingham to Canals | 4,510.56 mi (7,259.04 km) |
| Effingham to Candelaria | 4,106.19 mi (6,608.27 km) |
| Effingham to Canet de Mar | 4,557.49 mi (7,334.57 km) |
| Effingham to Cangas | 4,024.16 mi (6,476.26 km) |
| Effingham to Cangas de Narcea | 4,098.28 mi (6,595.54 km) |
| Effingham to Canovellas | 4,543.29 mi (7,311.71 km) |
| Effingham to Canteras | 4,538.14 mi (7,303.43 km) |
| Effingham to Cantillana | 4,314.03 mi (6,942.76 km) |
| Effingham to Capdepera | 4,665.16 mi (7,507.85 km) |
| Effingham to Carballo | 3,999.95 mi (6,437.29 km) |
| Effingham to Carcagente | 4,510.99 mi (7,259.74 km) |
| Effingham to Cardedeu | 4,545.88 mi (7,315.88 km) |
| Effingham to Carlet | 4,503.94 mi (7,248.39 km) |
