| Olgiate Comasco to Odessa (Texas) | 5,569.01 mi (8,962.45 km) |
| Olgiate Comasco to Ogden (Utah) | 5,410.24 mi (8,706.95 km) |
| Olgiate Comasco to Oildale (California) | 5,958.32 mi (9,588.99 km) |
| Olgiate Comasco to Ojus (Florida) | 4,915.36 mi (7,910.50 km) |
| Olgiate Comasco to Okemos (Michigan) | 4,344.48 mi (6,991.77 km) |
| Olgiate Comasco to Oklahoma City (Oklahoma) | 5,198.71 mi (8,366.52 km) |
| Olgiate Comasco to Okmulgee (Oklahoma) | 5,132.54 mi (8,260.02 km) |
| Olgiate Comasco to Olathe (Kansas) | 4,926.67 mi (7,928.71 km) |
| Olgiate Comasco to Old Jamestown (Missouri) | 4,751.39 mi (7,646.63 km) |
| Olgiate Comasco to Oldsmar (Florida) | 4,931.19 mi (7,935.98 km) |
| Olgiate Comasco to Olean (New York) | 4,128.11 mi (6,643.55 km) |
| Olgiate Comasco to Olive Branch (Mississippi) | 4,915.88 mi (7,911.35 km) |
| Olgiate Comasco to Olivehurst (California) | 5,821.61 mi (9,368.97 km) |
| Olgiate Comasco to Olney (Maryland) | 4,191.94 mi (6,746.27 km) |
| Olgiate Comasco to Olympia (Washington) | 5,391.45 mi (8,676.70 km) |
