| Castaic to Willich | 5,644.66 mi (9,084.20 km) |
| Castaic to Willstatt | 5,824.05 mi (9,372.90 km) |
| Castaic to Wilnsdorf | 5,712.83 mi (9,193.91 km) |
| Castaic to Wilsdruff | 5,851.93 mi (9,417.78 km) |
| Castaic to Winnenden | 5,851.76 mi (9,417.50 km) |
| Castaic to Winsen | 5,639.18 mi (9,075.38 km) |
| Castaic to Winterberg | 5,705.07 mi (9,181.42 km) |
| Castaic to Wipperfurth | 5,677.04 mi (9,136.32 km) |
| Castaic to Wismar | 5,643.89 mi (9,082.97 km) |
| Castaic to Witten | 5,658.93 mi (9,107.16 km) |
| Castaic to Wittenberg | 5,784.00 mi (9,308.44 km) |
| Castaic to Wittenberge | 5,699.32 mi (9,172.17 km) |
| Castaic to Wittingen | 5,687.32 mi (9,152.86 km) |
| Castaic to Wittlich | 5,719.55 mi (9,204.73 km) |
| Castaic to Wittmund | 5,562.18 mi (8,951.46 km) |
