| Box Elder to Corinth (Mississippi) | 999.20 mi (1,608.05 km) |
| Box Elder to Corinth (Texas) | 823.85 mi (1,325.86 km) |
| Box Elder to Cornelius (North Carolina) | 1,315.36 mi (2,116.86 km) |
| Box Elder to Cornelius (Oregon) | 981.02 mi (1,578.79 km) |
| Box Elder to Corning (New York) | 1,313.82 mi (2,114.39 km) |
| Box Elder to Corona (California) | 1,049.06 mi (1,688.30 km) |
| Box Elder to Coronado (California) | 1,095.52 mi (1,763.07 km) |
| Box Elder to Corpus Christi (Texas) | 1,175.57 mi (1,891.90 km) |
| Box Elder to Corsicana (Texas) | 904.88 mi (1,456.26 km) |
| Box Elder to Cortland (New York) | 1,349.56 mi (2,171.90 km) |
| Box Elder to Corvallis (Oregon) | 995.95 mi (1,602.82 km) |
| Box Elder to Coshocton (Ohio) | 1,115.71 mi (1,795.57 km) |
| Box Elder to Costa Mesa (California) | 1,072.60 mi (1,726.18 km) |
| Box Elder to Coto de Caza (California) | 1,063.32 mi (1,711.25 km) |
| Box Elder to Cottage Grove (Minnesota) | 502.75 mi (809.10 km) |
