| Napa to Butzbach | 5,622.03 mi (9,047.78 km) |
| Napa to Buxtehude | 5,479.80 mi (8,818.89 km) |
| Napa to Cadolzburg | 5,734.81 mi (9,229.28 km) |
| Napa to Calbe | 5,618.77 mi (9,042.54 km) |
| Napa to Calw | 5,719.18 mi (9,204.13 km) |
| Napa to Castrop-Rauxel | 5,525.39 mi (8,892.25 km) |
| Napa to Celle | 5,536.61 mi (8,910.32 km) |
| Napa to Cham | 5,793.66 mi (9,323.99 km) |
| Napa to Chemnitz | 5,707.58 mi (9,185.46 km) |
| Napa to Clausthal-Zellerfeld | 5,588.82 mi (8,994.33 km) |
| Napa to Cloppenburg | 5,473.29 mi (8,808.42 km) |
| Napa to Coburg | 5,691.27 mi (9,159.22 km) |
| Napa to Coesfeld | 5,499.65 mi (8,850.83 km) |
| Napa to Cologne | 5,549.13 mi (8,930.46 km) |
| Napa to Coswig | 5,706.39 mi (9,183.55 km) |
