| Mercer Island to Pyrzyce | 5,037.68 mi (8,107.36 km) |
| Mercer Island to Pyskowice | 5,279.73 mi (8,496.90 km) |
| Mercer Island to Raciborz | 5,290.89 mi (8,514.86 km) |
| Mercer Island to Radom | 5,263.17 mi (8,470.25 km) |
| Mercer Island to Radomsko | 5,253.05 mi (8,453.96 km) |
| Mercer Island to Radzionkow Nowy | 5,284.86 mi (8,505.16 km) |
| Mercer Island to Radzymin | 5,199.96 mi (8,368.52 km) |
| Mercer Island to Radzyn Podlaski | 5,264.89 mi (8,473.02 km) |
| Mercer Island to Rawa Mazowiecka | 5,224.19 mi (8,407.52 km) |
| Mercer Island to Rawicz | 5,169.73 mi (8,319.88 km) |
| Mercer Island to Reda | 5,012.60 mi (8,066.99 km) |
| Mercer Island to Rogozno | 5,102.49 mi (8,211.66 km) |
| Mercer Island to Ropczyce | 5,356.70 mi (8,620.77 km) |
| Mercer Island to Ruda Slaska | 5,291.78 mi (8,516.30 km) |
| Mercer Island to Rumia | 5,016.58 mi (8,073.41 km) |
