| Opatija to Twist | 600.87 mi (967.01 km) |
| Opatija to Twistringen | 575.39 mi (926.00 km) |
| Opatija to Ubach-Palenberg | 539.12 mi (867.64 km) |
| Opatija to Uberherrn | 446.95 mi (719.29 km) |
| Opatija to Uberlingen | 296.22 mi (476.71 km) |
| Opatija to Ubstadt-Weiher | 375.24 mi (603.89 km) |
| Opatija to Ueckermunde | 580.88 mi (934.84 km) |
| Opatija to Uelzen | 553.43 mi (890.66 km) |
| Opatija to Uetersen | 613.12 mi (986.72 km) |
| Opatija to Uetze | 526.56 mi (847.41 km) |
| Opatija to Uhingen | 321.56 mi (517.50 km) |
| Opatija to Ulm | 293.98 mi (473.12 km) |
| Opatija to Unna | 524.36 mi (843.87 km) |
| Opatija to Unterfohring | 233.85 mi (376.35 km) |
| Opatija to Unterhaching | 227.77 mi (366.55 km) |
