| Llanelli to Cloverly (Maryland) | 3,485.14 mi (5,608.79 km) |
| Llanelli to Clovis (California) | 5,191.52 mi (8,354.95 km) |
| Llanelli to Clovis (New Mexico) | 4,745.86 mi (7,637.73 km) |
| Llanelli to Clute (Texas) | 4,722.21 mi (7,599.66 km) |
| Llanelli to Coachella (California) | 5,250.18 mi (8,449.35 km) |
| Llanelli to Coalinga (California) | 5,250.78 mi (8,450.31 km) |
| Llanelli to Coamo (Puerto Rico) | 4,061.28 mi (6,535.99 km) |
| Llanelli to Coatesville (Pennsylvania) | 3,398.06 mi (5,468.64 km) |
| Llanelli to Cockeysville (Maryland) | 3,453.41 mi (5,557.73 km) |
| Llanelli to Cocoa (Florida) | 4,148.66 mi (6,676.62 km) |
| Llanelli to Cocoa Beach (Florida) | 4,145.18 mi (6,671.02 km) |
| Llanelli to Coconut Creek (Florida) | 4,228.84 mi (6,805.65 km) |
| Llanelli to Coeur d'Alene (Idaho) | 4,503.34 mi (7,247.42 km) |
| Llanelli to Cohoes (New York) | 3,193.60 mi (5,139.60 km) |
| Llanelli to Cold Springs (Nevada) | 5,039.74 mi (8,110.68 km) |
