| Duluth to Recica | 4,639.87 mi (7,467.14 km) |
| Duluth to Ribnica | 4,661.78 mi (7,502.41 km) |
| Duluth to Ribnica | 4,641.37 mi (7,469.56 km) |
| Duluth to Rogaska Slatina | 4,668.60 mi (7,513.39 km) |
| Duluth to Rogasovci | 4,653.78 mi (7,489.54 km) |
| Duluth to Rogatec | 4,671.21 mi (7,517.59 km) |
| Duluth to Ruse | 4,649.45 mi (7,482.57 km) |
| Duluth to Salovci | 4,661.60 mi (7,502.11 km) |
| Duluth to Selnica ob Dravi | 4,648.13 mi (7,480.44 km) |
| Duluth to Semic | 4,681.23 mi (7,533.72 km) |
| Duluth to Sempeter pri Gorici | 4,615.12 mi (7,427.32 km) |
| Duluth to Sencur | 4,626.67 mi (7,445.91 km) |
| Duluth to Sentilj | 4,646.92 mi (7,478.49 km) |
| Duluth to Sentjernej | 4,677.59 mi (7,527.86 km) |
| Duluth to Sentjur | 4,661.10 mi (7,501.32 km) |
