| Sedro-Woolley to Cosham | 4,742.00 mi (7,631.51 km) |
| Sedro-Woolley to Costessey | 4,700.56 mi (7,564.82 km) |
| Sedro-Woolley to Cottingham | 4,598.06 mi (7,399.86 km) |
| Sedro-Woolley to Coulsdon | 4,740.07 mi (7,628.41 km) |
| Sedro-Woolley to Coventry | 4,644.85 mi (7,475.17 km) |
| Sedro-Woolley to Cowdenbeath | 4,399.78 mi (7,080.77 km) |
| Sedro-Woolley to Cowes | 4,740.31 mi (7,628.79 km) |
| Sedro-Woolley to Cowley | 4,719.76 mi (7,595.73 km) |
| Sedro-Woolley to Cowley | 4,689.35 mi (7,546.78 km) |
| Sedro-Woolley to Cramlington | 4,498.43 mi (7,239.53 km) |
| Sedro-Woolley to Cranleigh | 4,741.37 mi (7,630.50 km) |
| Sedro-Woolley to Crawley | 4,750.49 mi (7,645.17 km) |
| Sedro-Woolley to Crayford | 4,741.30 mi (7,630.39 km) |
| Sedro-Woolley to Crewe | 4,583.30 mi (7,376.11 km) |
| Sedro-Woolley to Crigglestone | 4,577.54 mi (7,366.84 km) |
