| Donegal to Tutzing | 954.38 mi (1,535.93 km) |
| Donegal to Twist | 634.79 mi (1,021.60 km) |
| Donegal to Twistringen | 695.23 mi (1,118.86 km) |
| Donegal to Ubach-Palenberg | 646.67 mi (1,040.72 km) |
| Donegal to Uberherrn | 730.78 mi (1,176.08 km) |
| Donegal to Uberlingen | 882.72 mi (1,420.59 km) |
| Donegal to Ubstadt-Weiher | 805.03 mi (1,295.58 km) |
| Donegal to Ueckermunde | 893.97 mi (1,438.71 km) |
| Donegal to Uelzen | 768.46 mi (1,236.72 km) |
| Donegal to Uetersen | 720.23 mi (1,159.10 km) |
| Donegal to Uetze | 764.33 mi (1,230.07 km) |
| Donegal to Uhingen | 859.20 mi (1,382.75 km) |
| Donegal to Ulm | 886.06 mi (1,425.97 km) |
| Donegal to Unna | 688.28 mi (1,107.67 km) |
| Donegal to Unterfohring | 956.86 mi (1,539.91 km) |
