| Dubuque to Redon | 4,094.00 mi (6,588.66 km) |
| Dubuque to Reims | 4,271.85 mi (6,874.88 km) |
| Dubuque to Rennes | 4,093.65 mi (6,588.09 km) |
| Dubuque to Revel | 4,417.53 mi (7,109.33 km) |
| Dubuque to Reze | 4,131.06 mi (6,648.30 km) |
| Dubuque to Riedisheim | 4,456.80 mi (7,172.53 km) |
| Dubuque to Rillieux-la-Pape | 4,439.75 mi (7,145.09 km) |
| Dubuque to Riom | 4,366.48 mi (7,027.17 km) |
| Dubuque to Riorges | 4,397.25 mi (7,076.69 km) |
| Dubuque to Ris-Orangis | 4,233.48 mi (6,813.13 km) |
| Dubuque to Rive-de-Gier | 4,440.38 mi (7,146.10 km) |
| Dubuque to Rivesaltes | 4,480.86 mi (7,211.25 km) |
| Dubuque to Rixheim | 4,458.20 mi (7,174.78 km) |
| Dubuque to Roanne | 4,398.61 mi (7,078.87 km) |
| Dubuque to Roche-la-Moliere | 4,432.61 mi (7,133.60 km) |
