| Merrillville to Rheinbach | 4,251.68 mi (6,842.42 km) |
| Merrillville to Rheinberg | 4,205.80 mi (6,768.58 km) |
| Merrillville to Rheine | 4,209.75 mi (6,774.94 km) |
| Merrillville to Rheinfelden (Baden) | 4,398.45 mi (7,078.62 km) |
| Merrillville to Ribnitz-Damgarten | 4,312.44 mi (6,940.20 km) |
| Merrillville to Richterich | 4,212.25 mi (6,778.96 km) |
| Merrillville to Riedlingen | 4,440.15 mi (7,145.73 km) |
| Merrillville to Riegelsberg | 4,300.37 mi (6,920.78 km) |
| Merrillville to Rielasingen-Worblingen | 4,432.28 mi (7,133.07 km) |
| Merrillville to Riesa | 4,455.95 mi (7,171.16 km) |
| Merrillville to Rietberg | 4,263.46 mi (6,861.37 km) |
| Merrillville to Rinteln | 4,272.37 mi (6,875.71 km) |
| Merrillville to Ritterhude | 4,224.40 mi (6,798.51 km) |
| Merrillville to Rodenbach | 4,347.01 mi (6,995.84 km) |
| Merrillville to Rodental | 4,416.58 mi (7,107.80 km) |
