| Castaic to Tutzing | 5,958.51 mi (9,589.30 km) |
| Castaic to Twist | 5,590.06 mi (8,996.33 km) |
| Castaic to Twistringen | 5,626.06 mi (9,054.27 km) |
| Castaic to Ubach-Palenberg | 5,649.26 mi (9,091.61 km) |
| Castaic to Uberherrn | 5,751.29 mi (9,255.81 km) |
| Castaic to Uberlingen | 5,902.86 mi (9,499.74 km) |
| Castaic to Ubstadt-Weiher | 5,813.71 mi (9,356.26 km) |
| Castaic to Ueckermunde | 5,718.21 mi (9,202.57 km) |
| Castaic to Uelzen | 5,669.71 mi (9,124.52 km) |
| Castaic to Uetersen | 5,607.73 mi (9,024.76 km) |
| Castaic to Uetze | 5,686.20 mi (9,151.06 km) |
| Castaic to Uhingen | 5,866.46 mi (9,441.15 km) |
| Castaic to Ulm | 5,894.15 mi (9,485.72 km) |
| Castaic to Unna | 5,664.03 mi (9,115.37 km) |
| Castaic to Unterfohring | 5,954.21 mi (9,582.38 km) |
