| Rancho Cucamonga to Redon | 5,523.27 mi (8,888.84 km) |
| Rancho Cucamonga to Reims | 5,654.39 mi (9,099.86 km) |
| Rancho Cucamonga to Rennes | 5,516.61 mi (8,878.13 km) |
| Rancho Cucamonga to Revel | 5,864.29 mi (9,437.66 km) |
| Rancho Cucamonga to Reze | 5,562.26 mi (8,951.59 km) |
| Rancho Cucamonga to Riedisheim | 5,835.72 mi (9,391.69 km) |
| Rancho Cucamonga to Rillieux-la-Pape | 5,851.07 mi (9,416.38 km) |
| Rancho Cucamonga to Riom | 5,786.63 mi (9,312.68 km) |
| Rancho Cucamonga to Riorges | 5,811.16 mi (9,352.15 km) |
| Rancho Cucamonga to Ris-Orangis | 5,630.87 mi (9,062.02 km) |
| Rancho Cucamonga to Rive-de-Gier | 5,855.88 mi (9,424.13 km) |
| Rancho Cucamonga to Rivesaltes | 5,928.94 mi (9,541.71 km) |
| Rancho Cucamonga to Rixheim | 5,836.89 mi (9,393.57 km) |
| Rancho Cucamonga to Roanne | 5,812.41 mi (9,354.18 km) |
| Rancho Cucamonga to Roche-la-Moliere | 5,850.55 mi (9,415.55 km) |
