| Portlethen to Rheinbach | 577.13 mi (928.80 km) |
| Portlethen to Rheinberg | 517.92 mi (833.51 km) |
| Portlethen to Rheine | 504.13 mi (811.32 km) |
| Portlethen to Rheinfelden (Baden) | 777.04 mi (1,250.52 km) |
| Portlethen to Ribnitz-Damgarten | 599.82 mi (965.32 km) |
| Portlethen to Richterich | 544.80 mi (876.78 km) |
| Portlethen to Riedlingen | 782.42 mi (1,259.19 km) |
| Portlethen to Riegelsberg | 653.76 mi (1,052.13 km) |
| Portlethen to Rielasingen-Worblingen | 791.11 mi (1,273.17 km) |
| Portlethen to Riesa | 736.98 mi (1,186.06 km) |
| Portlethen to Rietberg | 557.82 mi (897.73 km) |
| Portlethen to Rinteln | 559.53 mi (900.48 km) |
| Portlethen to Ritterhude | 505.81 mi (814.02 km) |
| Portlethen to Rodenbach | 659.82 mi (1,061.88 km) |
| Portlethen to Rodental | 712.74 mi (1,147.05 km) |
