| Mason City to Tutzing | 4,652.95 mi (7,488.20 km) |
| Mason City to Twist | 4,305.04 mi (6,928.29 km) |
| Mason City to Twistringen | 4,352.11 mi (7,004.04 km) |
| Mason City to Ubach-Palenberg | 4,342.15 mi (6,988.02 km) |
| Mason City to Uberherrn | 4,431.45 mi (7,131.74 km) |
| Mason City to Uberlingen | 4,583.44 mi (7,376.34 km) |
| Mason City to Ubstadt-Weiher | 4,503.89 mi (7,248.32 km) |
| Mason City to Ueckermunde | 4,487.11 mi (7,221.31 km) |
| Mason City to Uelzen | 4,408.77 mi (7,095.23 km) |
| Mason City to Uetersen | 4,349.05 mi (6,999.12 km) |
| Mason City to Uetze | 4,417.93 mi (7,109.97 km) |
| Mason City to Uhingen | 4,558.02 mi (7,335.42 km) |
| Mason City to Ulm | 4,585.22 mi (7,379.20 km) |
| Mason City to Unna | 4,371.69 mi (7,035.56 km) |
| Mason City to Unterfohring | 4,653.48 mi (7,489.06 km) |
