| Grimstad to Rende | 1,355.84 mi (2,182.01 km) |
| Grimstad to Resana | 889.24 mi (1,431.10 km) |
| Grimstad to Rescaldina | 879.26 mi (1,415.03 km) |
| Grimstad to Rezzato | 889.12 mi (1,430.90 km) |
| Grimstad to Rho | 885.09 mi (1,424.41 km) |
| Grimstad to Ribera | 1,455.30 mi (2,342.07 km) |
| Grimstad to Riccione Marina | 1,005.84 mi (1,618.74 km) |
| Grimstad to Riesi | 1,475.87 mi (2,375.19 km) |
| Grimstad to Rieti | 1,116.44 mi (1,796.73 km) |
| Grimstad to Rignano Flaminio | 1,127.89 mi (1,815.16 km) |
| Grimstad to Rignano sull'Arno | 1,017.29 mi (1,637.18 km) |
| Grimstad to Rimini | 1,001.19 mi (1,611.25 km) |
| Grimstad to Rionero in Vulture | 1,243.15 mi (2,000.66 km) |
| Grimstad to Riposto | 1,454.51 mi (2,340.80 km) |
| Grimstad to Riva del Garda | 865.89 mi (1,393.52 km) |
