| Geilenkirchen to Tricase | 963.47 mi (1,550.55 km) |
| Geilenkirchen to Trieste | 507.90 mi (817.38 km) |
| Geilenkirchen to Triggiano | 856.11 mi (1,377.78 km) |
| Geilenkirchen to Trinitapoli | 816.67 mi (1,314.30 km) |
| Geilenkirchen to Trissino | 444.02 mi (714.58 km) |
| Geilenkirchen to Triuggio | 393.53 mi (633.33 km) |
| Geilenkirchen to Trofarello | 419.98 mi (675.88 km) |
| Geilenkirchen to Troina | 1,000.90 mi (1,610.79 km) |
| Geilenkirchen to Turin | 412.98 mi (664.62 km) |
| Geilenkirchen to Udine | 469.23 mi (755.15 km) |
| Geilenkirchen to Ugento | 957.62 mi (1,541.15 km) |
| Geilenkirchen to Umbertide | 604.31 mi (972.55 km) |
| Geilenkirchen to Urbino | 585.44 mi (942.17 km) |
| Geilenkirchen to Urgnano | 405.58 mi (652.72 km) |
| Geilenkirchen to Usmate Velate | 396.03 mi (637.34 km) |
