| Niel to Castle Rock (Colorado) | 4,868.72 mi (7,835.44 km) |
| Niel to Castro Valley (California) | 5,496.09 mi (8,845.10 km) |
| Niel to Catalina Foothills (Arizona) | 5,461.81 mi (8,789.94 km) |
| Niel to Cataño (Puerto Rico) | 4,391.83 mi (7,067.97 km) |
| Niel to Cathedral City (California) | 5,556.28 mi (8,941.97 km) |
| Niel to Catonsville (Maryland) | 3,826.72 mi (6,158.50 km) |
| Niel to Cave Spring (Virginia) | 4,052.61 mi (6,522.04 km) |
| Niel to Cayce (South Carolina) | 4,251.49 mi (6,842.10 km) |
| Niel to Cayey (Puerto Rico) | 4,409.39 mi (7,096.23 km) |
| Niel to Cedar City (Utah) | 5,230.34 mi (8,417.42 km) |
| Niel to Cedar Falls (Iowa) | 4,275.06 mi (6,880.05 km) |
| Niel to Cedar Hill (Texas) | 4,947.29 mi (7,961.89 km) |
| Niel to Cedar Lake (Indiana) | 4,146.04 mi (6,672.40 km) |
| Niel to Cedar Mill (Oregon) | 5,053.18 mi (8,132.31 km) |
| Niel to Cedar Park (Texas) | 5,089.36 mi (8,190.53 km) |
