| Grenchen to Redondela | 853.91 mi (1,374.23 km) |
| Grenchen to Reinosa | 631.78 mi (1,016.75 km) |
| Grenchen to Requena | 681.60 mi (1,096.93 km) |
| Grenchen to Reus | 520.20 mi (837.19 km) |
| Grenchen to Rianxo | 851.00 mi (1,369.55 km) |
| Grenchen to Ribadeo | 743.67 mi (1,196.82 km) |
| Grenchen to Rincon de la Victoria | 938.02 mi (1,509.60 km) |
| Grenchen to Ripoll | 429.00 mi (690.41 km) |
| Grenchen to Ripollet | 470.68 mi (757.49 km) |
| Grenchen to Rojales | 751.29 mi (1,209.08 km) |
| Grenchen to Ronda | 966.13 mi (1,554.83 km) |
| Grenchen to Roquetas de Mar | 883.50 mi (1,421.86 km) |
| Grenchen to Rosas | 398.41 mi (641.18 km) |
| Grenchen to Rubi | 474.30 mi (763.31 km) |
| Grenchen to Rute | 907.54 mi (1,460.54 km) |
