| Duluth to Racale | 5,068.18 mi (8,156.45 km) |
| Duluth to Racconigi | 4,457.89 mi (7,174.27 km) |
| Duluth to Raffadali | 5,030.19 mi (8,095.31 km) |
| Duluth to Ragusa | 5,099.52 mi (8,206.89 km) |
| Duluth to Ramacca | 5,075.25 mi (8,167.82 km) |
| Duluth to Randazzo | 5,059.39 mi (8,142.30 km) |
| Duluth to Rapallo | 4,533.82 mi (7,296.48 km) |
| Duluth to Ravanusa | 5,053.54 mi (8,132.89 km) |
| Duluth to Ravenna | 4,637.51 mi (7,463.35 km) |
| Duluth to Recanati | 4,734.58 mi (7,619.58 km) |
| Duluth to Recco | 4,530.01 mi (7,290.34 km) |
| Duluth to Reggello | 4,648.68 mi (7,481.33 km) |
| Duluth to Reggio di Calabria | 5,073.71 mi (8,165.34 km) |
| Duluth to Reggio Emilia | 4,568.00 mi (7,351.49 km) |
| Duluth to Reggiolo | 4,564.34 mi (7,345.60 km) |
