| Mercer Island to Tutzing | 5,274.06 mi (8,487.78 km) |
| Mercer Island to Twist | 4,898.91 mi (7,884.03 km) |
| Mercer Island to Twistringen | 4,925.23 mi (7,926.39 km) |
| Mercer Island to Ubach-Palenberg | 4,974.80 mi (8,006.17 km) |
| Mercer Island to Uberherrn | 5,085.22 mi (8,183.87 km) |
| Mercer Island to Uberlingen | 5,232.15 mi (8,420.33 km) |
| Mercer Island to Ubstadt-Weiher | 5,136.94 mi (8,267.10 km) |
| Mercer Island to Ueckermunde | 4,984.34 mi (8,021.52 km) |
| Mercer Island to Uelzen | 4,957.92 mi (7,979.00 km) |
| Mercer Island to Uetersen | 4,896.00 mi (7,879.35 km) |
| Mercer Island to Uetze | 4,979.38 mi (8,013.54 km) |
| Mercer Island to Uhingen | 5,187.02 mi (8,347.70 km) |
| Mercer Island to Ulm | 5,214.36 mi (8,391.71 km) |
| Mercer Island to Unna | 4,976.69 mi (8,009.21 km) |
| Mercer Island to Unterfohring | 5,265.78 mi (8,474.45 km) |
