| Castro Valley to Chaudfontaine | 5,560.73 mi (8,949.13 km) |
| Castro Valley to Chaumont-Gistoux | 5,529.09 mi (8,898.22 km) |
| Castro Valley to Chimay | 5,551.83 mi (8,934.80 km) |
| Castro Valley to Ciney | 5,560.87 mi (8,949.36 km) |
| Castro Valley to Colfontaine | 5,519.78 mi (8,883.23 km) |
| Castro Valley to Courcelles | 5,532.00 mi (8,902.90 km) |
| Castro Valley to Court-Saint-Etienne | 5,528.16 mi (8,896.71 km) |
| Castro Valley to Couvin | 5,556.60 mi (8,942.48 km) |
| Castro Valley to Damme | 5,459.44 mi (8,786.12 km) |
| Castro Valley to De Haan | 5,451.13 mi (8,772.74 km) |
| Castro Valley to De Panne | 5,447.34 mi (8,766.65 km) |
| Castro Valley to De Pinte | 5,482.91 mi (8,823.89 km) |
| Castro Valley to Deerlijk | 5,482.11 mi (8,822.60 km) |
| Castro Valley to Deinze | 5,480.46 mi (8,819.95 km) |
| Castro Valley to Denderleeuw | 5,501.31 mi (8,853.51 km) |
